Affordable houses are houses that are considered affordable to those with a median household income or below as rated by the national government or local government by a recognized housing affordability index and the Median Multiple indicators, recommended by the World Bank and the United Nations, rates the affordability of housing by dividing the median house price by gross [before tax] annual median household income. Income is supposed the primary factor, not price and availability, which determines housing affordability. In a market economy, the distribution of income is the key determinant of the quantity and quality of housing obtained. Housing affordability can be measured by the changing relationships between house prices and rents, and between house prices and income.

Affordable houses are houses that are considered affordable to those with a median household income or below as rated by the national government or a local government by a recognized housing affordability index. The Median Multiple indicator, recommended by the World Bank and the United Nations, rates affordability of housing by dividing the median house price by gross [before tax] annual median household income. Income is the primary factor – not price and availability, that determines housing affordability. In a market economy, the distribution of income is the key determinant of the quantity and quality of housing obtained. Housing affordability can be measured by the changing relationships between house prices and rents, and between house prices and income.